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12352531044 = 2237147053941
BaseRepresentation
bin10111000000100010…
…01010101001100100
31011212212110121000210
423200101022221210
5200244221443134
65401421335420
7615051532020
oct134021125144
934785417023
1012352531044
115269755447
122488a07570
13121b1c5a89
14852787380
154c46a92e9
hex2e044aa64

12352531044 has 24 divisors (see below), whose sum is σ = 32940083008. Its totient is φ = 3529294560.

The previous prime is 12352531043. The next prime is 12352531097. The reversal of 12352531044 is 44013525321.

It is not an unprimeable number, because it can be changed into a prime (12352531043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73526887 + ... + 73527054.

Almost surely, 212352531044 is an apocalyptic number.

12352531044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12352531044 is an abundant number, since it is smaller than the sum of its proper divisors (20587551964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12352531044 is a wasteful number, since it uses less digits than its factorization.

12352531044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147053955 (or 147053953 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 12352531044 in words is "twelve billion, three hundred fifty-two million, five hundred thirty-one thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 147053941 294107882 441161823 588215764 882323646 1029377587 1764647292 2058755174 3088132761 4117510348 6176265522 12352531044